#ifndef BOARD_H
#define BOARD_H

#define ROW 15
#define COL 15
#define NUM 5

extern int piece[ROW][COL];
extern int step;

extern void show_board();
extern void show_piece(int, int, int);

extern int is_in(int r, int c);
extern int is_empty(int r, int c);
extern int is_win(int, int);

extern int keyboard_input(int *, int *, int);

#endif
